One may discover a new side to his most intimate friend when for the first time he hears him speak in public. He will be stranger to him as he is more familiar to the audience. The longest intimacy could not foretell how he would behave then
Source: In The Ultimate Success Quotations Library, 1997.
-- Henry David Thoreau, (Jul 12 1817-1862), US essayist, poet, naturalist; He is best known for his description of life at Walden Pond, Walden, 1854 and his essay Civil Disobedience, 1849.